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Medical device with procedure improvement features

  • US 7,853,331 B2
  • Filed: 05/25/2006
  • Issued: 12/14/2010
  • Est. Priority Date: 11/05/2004
  • Status: Active Grant
First Claim
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1. A medical device for treating tissue within a lung, comprising:

  • an elongate shaft;

    an elongate member slidably located external to the elongate shaft such that the elongate shaft and elongate member are configured to pass along an access path defined by a bronchi of the lung, wherein the elongate shaft is substantially less flexible than the elongate member;

    an energy transfer element located at a distal end of the elongate shaft; and

    wherein when the elongate shaft and the energy transfer element extend distally beyond a distal end of the elongate member, the elongate shaft is configured to flex relative to the elongate member and form an inclined angle with respect to the elongate member such that the energy transfer element contacts a wall of the cavity or passageway substantially uniformly when the access path is misaligned relative to the cavity or passageway.

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